<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app">
    <div>
        <input type="radio" id="yes" value="1" v-model="isFree">
        <label for="yes">是</label>
        <input type="radio" id="no" value="0" v-model="isFree">
        <label for="no">否</label>
        <br>
        <span>选择: {{ isFree }}</span>
    </div>
</div>
</body>
<script src="../../js/vue.js"></script>
<script>
    var vm = new Vue({
        el: '#app',
        data: {
            isFree: ''
        },
    })
</script>
</html>
